Background color swatch: Click this color swatch to select a new background color.

Sky checkbox: Select the Sky checkbox to have a sky color that is different from the background color. Click the color swatch to select a sky color.

Ground checkbox: Select the Ground checkbox to choose a ground color that is different from the background color. Click the color swatch to select a ground color.

Transparency slider: Slide the Transparency slider to adjust the level of transparency for the ground plane. Drag the slider toward the left-most position to minimize below-ground visibility. Drag the slider toward the right-most position to maximize below-ground visibility.

Show ground from below checkbox: Select or clear this checkbox to toggle the display of the ground plane from viewpoints below the horizon.

(Optional) Click the Update Style button () in the top-right of the Styles panel. Clicking this button updates the copy of the currently active style in the In Model styles. See Managing In Model Styles and Collections for details about In Model styles.

Tip: With a background photo, your model can display a detailed and realistic background without excess geometry that might slow SketchUp’s performance. You can insert the background photo as a watermark, as explained in the following steps, or project an image texture onto a face, as explained in Applying Colors, Photos, Materials, and Textures.

To insert a static background photo, place the image as a watermark. Here’s how it works: